OTRS (also well known as trouble ticket system) with many features to manage customer telephone calls and e-mails. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc.
No Image posted. Post new screenshot
Your rating for OTRS - Open Ticket Request System
otrs, インストール, windows, request, system, ticket, 販売, open-source, 開発, 作業分析の使い方, 使い方, open ...